Details, datasheet, quote on part number: MC44461B

The MC44461 Picture­in­Picture (PIP) controller is a member of Motorola's low cost PIP family. It is NTSC compatible and contains all the analog signal processing, control logic and memory necessary to provide for the overlay of a small picture from a second non synchronized source onto the main picture of a television. All control and setup of the MC44461 is via a standard two pin I2C bus interface. The device is fabricated using BICMOS technology. It is available a 56­pin shrink dip (SDIP) package. The main features of the MC44461 are: